CN210277275U - Special electric drill saw structure for neurosurgery - Google Patents
Special electric drill saw structure for neurosurgery Download PDFInfo
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- CN210277275U CN210277275U CN201920689347.XU CN201920689347U CN210277275U CN 210277275 U CN210277275 U CN 210277275U CN 201920689347 U CN201920689347 U CN 201920689347U CN 210277275 U CN210277275 U CN 210277275U
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Abstract
The utility model discloses a special electronic brill saw structure of neurosurgery, include: the drilling and sawing fixture comprises a casing and a drilling and sawing fixture mounting sleeve connected with the casing, wherein a drilling and sawing fixture connected with a driving device in the casing is arranged in the drilling and sawing fixture mounting sleeve in a penetrating mode, a drill bit is clamped in the drilling and sawing fixture mounting sleeve, a plurality of limiting grooves are evenly formed in the middle of the drilling and sawing fixture mounting sleeve, steel balls matched with the limiting grooves are arranged in the limiting grooves respectively, annular grooves matched with the steel balls are formed in the drilling and sawing fixture mounting sleeve, a low thread seat is arranged on the drilling and sawing fixture mounting sleeve on one side of each limiting groove, a low thread sleeve matched with the low thread seat is arranged on the low thread seat, a high thread seat is arranged on the drilling and sawing fixture mounting sleeve on the other side of each limiting groove, and a high thread sleeve matched with the high thread seat is arranged on the high thread seat.
Description
Technical Field
The utility model relates to a medical field specifically is a special electronic brill saw structure of neurosurgery.
Background
With the continuous improvement of the medical level in China, the electric drill saw is widely applied, in particular to neurosurgery. The drill bit of the existing electric drill saw is installed in the drill saw chuck installation sleeve through the drill saw chuck and is positioned through the steel ball, slight abrasion can occur after the steel ball is used for a period of time, the service life is short, operation errors can be caused by continuous use, the steel ball is directly replaced, the replacement is frequent, and the replacement cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a special electric drill saw structure of neurosurgery has solved some current life weak points, changes frequently, problem that the replacement cost is high.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a neurosurgical-dedicated electric drill saw structure, comprising: the drilling and sawing machine comprises a machine shell and a drilling and sawing chuck mounting sleeve connected with the machine shell, wherein a drilling and sawing chuck connected with a driving device in the machine shell is arranged in the drilling and sawing chuck mounting sleeve in a penetrating manner, a drill bit is clamped in the drilling and sawing chuck, a plurality of limiting grooves are uniformly arranged in the middle of the drilling and sawing chuck mounting sleeve, steel balls matched with the limiting grooves are respectively arranged in the limiting grooves, annular grooves matched with the steel balls are arranged on the drilling and sawing chuck mounting sleeve, a low thread seat is arranged on the drilling and sawing chuck mounting sleeve on one side of the limiting grooves, a low thread sleeve matched with the low thread seat is arranged on the low thread seat, a high thread seat is arranged on the drilling and sawing chuck mounting sleeve on the other side of the limiting grooves, a high thread sleeve matched with the high thread seat is arranged on the high thread seat, and a conical positioning sleeve matched with the steel balls is arranged between the low thread sleeve and the high thread sleeve, the low thread seat is provided with low tight ring cover of compressing tightly on the one side of keeping away from the spacing groove the cover is sheathe in to the brill saw chuck installation between low tight ring cover and the low thread seat is overlapped and is equipped with low spring, the one end and the low tight ring cover of low spring support, the other end and the low thread seat of low spring offset the brill saw chuck installation that spacing groove one side was kept away from to high thread seat is sheathe in and is provided with high tight ring cover the cover is sheathe in to the brill saw chuck installation between high tight ring cover and the high thread seat is equipped with high spring, the one end and the high tight ring cover of high spring support mutually, the other end and the high swivel nut of high spring support mutually.
Preferably, the inner wall of the conical positioning sleeve is coated with a wear-resistant coating.
Preferably, the wear-resistant coating can be made of nano ceramic or tungsten carbide.
Advantageous effects
The utility model provides a special electronic brill saw structure of neurosurgery. Compared with the prior art, the method has the following beneficial effects: simple to operate, swift, low swivel nut and high swivel nut can realize in step that the extrusion is fixed a position in opposite directions, can not appear becoming flexible, and the position through adjusting the toper position sleeve reduces the extrusion tapering to can the wearing and tearing clearance of whole compensation steel ball, avoid changing the steel ball many times when not causing the operation error, wear-resisting coating on the toper position sleeve inner wall can effectively reduce the wear rate of steel ball, long service life, and the replacement cost is low.
Drawings
Fig. 1 is a schematic structural view of the electric drill saw structure special for neurosurgery of the present invention.
In the figure: 1. the drilling and sawing machine comprises a machine shell, 2, a drilling and sawing chuck mounting sleeve, 3, a drilling and sawing chuck, 4, a drill bit, 5, a limiting groove, 6, a steel ball, 7, an annular groove, 8, a low thread seat, 9, a low thread sleeve, 10, a high thread seat, 11, a high thread sleeve, 12, a conical positioning sleeve, 13, a low compression ring sleeve, 14, a low spring, 15, a high compression ring sleeve, 16, a high spring, 17 and a wear-resistant coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a neurosurgical-dedicated electric drill saw structure, comprising: the drilling and sawing machine comprises a machine shell 1 and a drilling and sawing chuck mounting sleeve 2 connected with the machine shell 1, wherein a drilling and sawing chuck 3 connected with a driving device in the machine shell 1 is arranged in the drilling and sawing chuck mounting sleeve 2 in a penetrating manner, a drill bit 4 is clamped in the drilling and sawing chuck 3, a plurality of limiting grooves 5 are uniformly arranged in the middle of the drilling and sawing chuck mounting sleeve 2, steel balls 6 matched with the limiting grooves 5 are respectively arranged in the limiting grooves 5, an annular groove 7 matched with the steel balls 6 is arranged on the drilling and sawing chuck mounting sleeve 2, a low thread seat 8 is arranged on the drilling and sawing chuck mounting sleeve 2 at one side of the limiting grooves 5, a low thread sleeve 9 matched with the low thread seat 8 is arranged on the low thread seat 8, a high thread seat 10 is arranged on the drilling and sawing chuck mounting sleeve 2 at the other side of the limiting grooves 5, a high thread sleeve 11 matched with the high thread seat 10 is arranged on the high thread seat 10, a conical positioning sleeve 12 matched with the steel balls 6 is arranged between the low thread sleeve 9 and the high thread sleeve 11, the low-thread seat 8 is provided with a low-pressure ring sleeve 13 on one side far away from the limiting groove 5, a low spring 14 is sleeved on the drill saw chuck mounting sleeve 2 between the low-pressure ring sleeve 13 and the low-thread seat 8, one end of the low spring 14 abuts against the low-pressure ring sleeve 13, the other end of the low spring 14 abuts against the low-thread seat 8, a high-pressure ring sleeve 15 is arranged on the drill saw chuck mounting sleeve 2 on one side far away from the limiting groove 5 of the high-thread seat 10, a high spring 16 is sleeved on the drill saw chuck mounting sleeve 2 between the high-pressure ring sleeve 15 and the high-thread seat 10, one end of the high spring 16 abuts against the high-pressure ring sleeve 15, and the other end of the high spring 16 abuts against the high-thread sleeve 11.
Further, a wear-resistant coating 17 is coated on the inner wall of the conical positioning sleeve 12.
Further, the wear-resistant coating 17 may be made of nano ceramic or tungsten carbide.
Before use, the steel balls are respectively placed into the limiting grooves 5, the conical positioning sleeve 12 covers the steel balls 6, the low thread sleeve 9 of the conical positioning sleeve 12 is screwed on the low thread seat 8, the high thread sleeve 11 of the conical positioning sleeve 12 is screwed on the high thread seat 10, at the moment, the low pressing ring sleeve 13 on the low thread sleeve 9 compresses the low spring 14 to abut against the low thread seat 8, the low spring 14 has a reaction force towards the direction of the steel balls 6 to the low thread sleeve 9, the high thread sleeve 11 compresses the high spring 16 to abut against the high pressing ring sleeve 15, the high spring 16 also has a reaction force towards the direction of the steel balls 6 to the high thread sleeve 11, at the moment, the low thread sleeve 9 and the high thread sleeve 11 are extruded and positioned, and automatic loosening cannot be realized; when the electric drilling saw works, the electric drilling saw is powered on, the driving device in the machine shell 1 drives the drilling saw chuck 3 to rotate, and the drilling saw chuck 3 drives the drill bit 4 to rotate; the steel ball 6 can appear wearing and tearing owing to long-time work, rotates low swivel nut 9 and high swivel nut 11 simultaneously, and low swivel nut 9 removes towards high swivel nut 11 direction, and high swivel nut 11 removes towards high tight ring cover 15 direction, and toper position sleeve 12 removes towards high swivel nut 11 direction this moment, thereby toper 12 and the contact position's of steel ball toper reduce to compress tightly in step all steel balls, the clearance of eliminating wearing and tearing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a special electronic brill saw structure of neurosurgery which characterized in that: the method comprises the following steps: the drilling and sawing machine comprises a machine shell (1) and a drilling and sawing chuck mounting sleeve (2) connected with the machine shell (1), wherein a drilling and sawing chuck (3) connected with a driving device in the machine shell (1) penetrates through the drilling and sawing chuck mounting sleeve (2), a drill bit (4) is clamped in the drilling and sawing chuck (3), a plurality of limiting grooves (5) are uniformly arranged in the middle of the drilling and sawing chuck mounting sleeve (2), steel balls (6) matched with the limiting grooves (5) are respectively arranged in the limiting grooves (5), an annular groove (7) matched with the steel balls (6) is arranged on the drilling and sawing chuck mounting sleeve (2) on one side of each limiting groove (5), a low thread seat (8) is arranged on the low thread seat (8), a low thread sleeve (9) matched with the low thread seat is arranged on the drilling and sawing chuck mounting sleeve (2) on the other side of each limiting groove (5), and a high thread seat (10) is arranged on the drilling and sawing chuck mounting sleeve (2) on the other side of each limiting groove (5), a high thread sleeve (11) matched with the high thread seat (10) is arranged on the high thread seat (10), a conical positioning sleeve (12) abutting against the steel ball (6) is arranged between the low thread sleeve (9) and the high thread sleeve (11), a low compression ring sleeve (13) is arranged on one side of the low thread seat (8) far away from the limiting groove (5), a low spring (14) is sleeved on the drill saw chuck mounting sleeve (2) between the low compression ring sleeve (13) and the low thread seat (8), one end of the low spring (14) abuts against the low compression ring sleeve (13), the other end of the low spring (14) abuts against the low thread seat (8), a high compression ring sleeve (15) is arranged on the drill saw chuck mounting sleeve (2) on one side of the high thread seat (10) far away from the limiting groove (5), and a high spring (16) is sleeved on the drill saw chuck mounting sleeve (2) between the high compression ring (15) and the high thread seat (10), one end of the high spring (16) is propped against the high compression ring sleeve (15), and the other end of the high spring (16) is propped against the high thread sleeve (11).
2. The electric drill saw structure special for neurosurgery according to claim 1, characterized in that: and a wear-resistant coating (17) is coated on the inner wall of the conical positioning sleeve (12).
3. The electric drill saw structure special for neurosurgery according to claim 2, characterized in that: the wear-resistant coating (17) can be made of nano ceramic or tungsten carbide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689347.XU CN210277275U (en) | 2019-05-15 | 2019-05-15 | Special electric drill saw structure for neurosurgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689347.XU CN210277275U (en) | 2019-05-15 | 2019-05-15 | Special electric drill saw structure for neurosurgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210277275U true CN210277275U (en) | 2020-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920689347.XU Active CN210277275U (en) | 2019-05-15 | 2019-05-15 | Special electric drill saw structure for neurosurgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210277275U (en) |
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2019
- 2019-05-15 CN CN201920689347.XU patent/CN210277275U/en active Active
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